I was wondering if it is a problem to have small bubbles collecting at the top of the water in my tank. I just checked the levels and everything is where it should be. I am only wondering this because I just transferred to a 90 gallon tank and my old 45 gallon tank did not collect bubbles at the top.
Also I have an Eheim Pro filter along with two HOB filters.
Also I have an Eheim Pro filter along with two HOB filters.